description

I am seeing multiple messages like below in my ActivityLog.xml from Visual Studio 2013 which points at a problem with Python Tools.

<entry>

<record>3124</record>
<time>2014/08/06 20:02:38.463</time>
<type>Error</type>
<source>Editor or Editor Extension</source>
<description>System.NullReferenceException: Object reference not set to an instance of an object.&#x000D;&#x000A; at Microsoft.PythonTools.Extensions.GetAnalyzer(ITextBuffer buffer)&#x000D;&#x000A; at Microsoft.PythonTools.PythonClassifier.GetTokenizer()&#x000D;&#x000A; at Microsoft.PythonTools.PythonClassifier.GetClassificationSpans(SnapshotSpan span)&#x000D;&#x000A; at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierTagger.&lt;GetTags&gt;d__0.MoveNext()&#x000D;&#x000A; at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.&lt;GetTagsForBuffer&gt;d__5.MoveNext()</description>

This should be fixed in our latest dev build. I inadvertently fixed it shortly after Beta 2 when I was concerned about performance. That said, since I wasn't actively trying to fix this bug, it's possible that I just moved the problem somewhere else.